Warning and Indicator Lamps Controlled By Main Instrument Unit

This applies to the following lamps:
^ Central warning lamp
^ Door indicator lamps with associated doors
^ LH direction indicators
^ RH direction indicators
^ INFO DISPL lamp
^ SHIFT UP lamp
^ CRUISE Lamp
^ REAR FOG LIGHT lamp
^ SPORT Lamp
^ P,R,N,D,3,2,1
^ Tank Empty
^ CHECK ENGINE
^ CHECK GEARBOX
^ Brake fluid warning lamp
^ WINTER Lamp

Fault symptoms
One of the listed lamps does not work.

Diagnostic help
The lamps can be activated with the diagnostic tool.
For fault diagnosis of the bus, see Bus and Diagnostics communication.
See Powertrain Management/Computers and Control Systems/Information Bus

Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads.
Observe the multimeter, test lamp or diagnostic tool during the test.